15. Ray bond sells handcrafted yard decorations at county fairs. The variable cost to make these is 20$ each, and he sells them for 50$. The cost to rent booth at the fair is 150$. How many of these must ray sell to break even? (show all work for credit)

16. Ray bond, from problem 15 is trying to find a new supplier that will reduce his variable cost of production to 15$ per unit. If he was able to succeed in reducing this cost, what would the break-even point be? (show all work for credit)